<!DOCTYPE html><html><head>
  <title>NEGATED More than one class selector</title>
  <style type="text/css">
p { background: green; color: white; }
.t1:not(.t2) { background: red; color: yellow; }
:not(.t2).t1 { background: red; color: yellow; }
.t2:not(.t1) { background: red; color: yellow; }
:not(.t1).t2 { background: red; color: yellow; }
</style>
  <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch">
  <link rel="help" href="https://www.w3.org/TR/css3-selectors/#selectors"> <!-- bogus link to make sure it gets found -->
  <meta name="flags" content="">
 </head>
 <body>
  <p class="t1 t2">This line should be green.</p>

</body></html>